Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Change in the main constituents by a treatment condition of anaerobically treated Green Tea Leaves

혐기처리 조건에 따른 녹차의 주요성분 변화

  • Park, Jang-Hyun (Tea Experiment Station Chonnam Provincial Agriculture Research and Extention Service) ;
  • Han, Sung-Hee (Dept. of Food and Nutrition, WonKwang University) ;
  • Shin, Mee-Kyung (Dept. of Food and Nutrition, WonKwang University) ;
  • Park, Keun-Hung (Dept. of Food Science and Technology, Chonnam National University) ;
  • Lim, Keun-Cheol (Tea Experiment Station Chonnam Provincial Agriculture Research and Extention Service)
  • 박장현 (전남 농업기술원 차시험장) ;
  • 한성희 (원광대학교 식품영양학과) ;
  • 신미경 (원광대학교 식품영양학과) ;
  • 박근형 (전남대학교 식품공학과) ;
  • 임근천 (전남 농업기술원 차시험장)
  • Published : 2001.12.31
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Abstract

The contents of chemical components such as total nitrogen, total amino acid, chlorophyll, vitamin C and free sugar were somewhat higher in $CO_2$ and $N_2$ gas treatment than those of other treatment. However, the contents of tannin and caffeine did not show any different in the 5 treatments. ${\gamma}-aminobutyric$ acid(GABA) and alanine accumulated in tea leaves under anaerovic condition. The content of GABA acid with ${CO_2\;and\;N_2}$ gas treatment was higher 8-6 times with values of ${264{\sim}215mg/100g}$ than in control (35mg/100g). The scores of sensory test was not different between anaerobic treatment and control. Consequently, tea mading within ${N_2\;and\;CO_2}$ gas treatment after plucking was considered to be the best green tea in terms of functional nature as well as taste nature.

품질관련 성분 중 총질소, 총아미노산, 엽록소 및 비타민 C는 $CO_2$ gas 3시간 혐기처리가 타처리에 비해 함량이 약간 많았으며, 탄닌은 공기 처리가 카페인은 진공처리에서 함량이 약간 많은 경향이었다. 유리당은 $CO_2$ gas 처리가 2,050mg/100g으로 타처리에 비해 ${31{\sim}449mg/100g}$정도 많았다. 혐기처리시 GABA와 alanine이 축적되는데, GABA함량은 ${N_2\;CO_2}$ gas 처리가 무처리 (350mg/100g)에 비해 215mg/100g과 264mg/100g으로 $6{\sim}8$배 많았다. 제다품질은 무처리 80.4점에 비해 $N_2$, $CO_2$ gas 처리 각각 80.0, 80.3점으로 차이가 거의 없었으나, 공기 및 진공처리는 각각 78.3, 78.9점으로 약간 품질이 저하되는 경향이었다. $N_2$나 $CO_2$ gas처리 후 제다된 녹차는 기능성분인 GABA함량이 무처리에 비해 $6{\sim}8$배 많고, 제다 품질도 양호하였다.

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